misfire

Solved

The mechanic that put in my port injection snapped the bolt that connects the throttle body to the intake manifold. I plan to try an extractor kit to remove the bolt, but I need to order a fresh set along with the throttle body gasket itself. I suck at reading through these part numbers, anyone...

Hey guys, I recently have been tuning my car on 93 and every time we try to tune it it keeps misfiring around cylinder five and six. Although I have built my engine and we change the spark plugs and coils and it was still doing it. Do you guys have any idea to why it’s misfiring, have you guys...